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Explain why a. A horse cannot pull a cart and run in empty space. b. Passengers are thrown forward from their seats when a speeding bus stops suddenly. c. A cricketer moves his hands backwards Explain why a. A horse cannot pull a cart and run in empty space. b. Passengers are thrown forward from [...]

A rocket is moving in a gravity free space with a constant acceleration of 2 m/s^2 along +x direction (see figure). The length of a chamber inside the rocket is 4 m. A ball is thrown from the left end of the chamber in 48). The magnitude of the average velocity is a particle goes [...]

Airplanes A and B are flying with constant velocity in the same vertical plane at angle 30 and 60 with respect to the horizontal respectively as shown in the figure. The speed of A is 100 root 3 m/s. Airplanes A and B are flying with constant velocity in the same vertical plane at angle [...]

A train is moving along a straight line with a constant acceleration a. A boy standing in the train throws a ball forward with a speed of 10 m/s, at an angle of 60 to the horizontal. The body has A train is moving along a straight line with a constant acceleration a. A boy [...]

The coordinates of a particle moving in a plane are given by x(t) = a cos (pt) and y(t) = b sin(pt), where a, b(<a), and p are positive constants of appropriate dimensions. Then and p are positive constants of appropriate dimensions. Then B The coordinates of a particle moving in a plane are given [...]

A particle of mass m moving on the x – axis as follows: it starts from rest t = 0 from the point x = 0, and comes to rest at t = 1 at the point x = 1. No other information is available about A particle of mass m moving on the x [...]

Consider a disc rotating in the horizontal plane with a constant angular speed omega about its center O. The disc has shaded region on one side of the diameter and an unshaded region on the other side as shown in 48). The magnitude of the average velocity is a particle goes from point A to [...]

The velocity- displacement graph of a particle moving along a straight line is shown in Fig.A.53 The most suitable acceleration- displacement graph will be The velocity- displacement graph of a particle moving along a straight line is shown in Fig.A.53 The most suitable acceleration- displacement graph will be September 25, 2020 Category: Uncategorised (JEE Advanced [...]

A particle starts from rest. Its acceleration (a) versus time (t) is as shown in Fig. A.52. The maximum speed of the particle will be: A particle starts from rest. Its acceleration (a) versus time (t) is as shown in Fig. A.52. The maximum speed of the particle will be: September 25, 2020 Category: Uncategorised [...]

A particle starts sliding down a frictionless inclined plane. If Sn is the distance travelled by it from time t = n – 1 second to t = n second, the ratio Sn/Sn+1 is A particle starts sliding down a frictionless inclined plane. If Sn is the distance travelled by it from time t = [...]